Clarinette Basse en La
- longName: A Bass Clarinet
- shortName: A B. Cl.
- description: Bass Clarinet
- musicXMLid: wind.reed.clarinet.bass
- clef: not set
- transposingClef: G
- concertClef: G8vb
- barlineSpan: 1
- aPitchRange: 36-74
- pPitchRange: 36-78
- transposeDiatonic: -9
- transposeChromatic: -15